Many of us who have spent time in the industry are quite familiar with data storage for transactional system (e.g. making a purchase) which is a system of records and have heard of Data Warehouses as part of the corporate information factory in the quest of “single version of truth” management reports. But a trip down the memory lane is necessary to set the context right for those who are just coming of age so that all of us can be on the same page before we talk of modern data systems and data warehouses on the cloud
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